5305-01-279-2339

Find complete technical information, availability, and procurement data for: 5305-01-279-2339
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-279-2339

Item Name Code

18257

Assigment Date

05/16/1988 (38 years ago)

2a thread class, 1.000 inches minimum and 1.188 inches maximum thread length, 2.406 inches minimum and 2.500 inches maximum fastener length, right-hand thread direction, hexagon head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 1.000 inches minimum and 1.188 inches maximum
Fastener Length: 2.406 inches minimum and 2.500 inches maximum
Head Style: hexagon
Head Height: 0.226 inches minimum and 0.243 inches maximum
Width Between Flats: 0.561 inches minimum and 0.562 inches maximum
Shank Unthreaded Hole Diameter: 0.105 inches minimum and 0.113 inches maximum first hole
End Item Identification: a4 bradley fighting vehicle; a3 bradley fighting vehicle
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 33.0 rockwell c minimum and 39.0 rockwell c maximum overall
Minimum Yield Strength: 130000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.240 inches minimum and 2.354 inches maximum first hole
Surface Finish: 63.0 microinches threads
Material: steel overall
Material Document And Classification: sae j429 grade 8 assn std single material response or astm a354 grade bd assn std single material response overall
Surface Treatment: phosphate zinc overall
Surface Treatment Document And Classification: dod-p-16232 mil spec single treatment response overall
Thread Series Designator: unf
Nondefinitive Spec/Std Data: 2 type and 10p style

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
FF-S-85C TYPE II STYLE 10P	Hexagon Head Cap Screw
MS51108-66	Hexagon Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-279-2339?

The FSCG of the NSN 5305-01-279-2339 is 5305

Does the NSN 5305-01-279-2339 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-279-2339 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-279-2339 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-279-2339 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-279-2339 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, May 16, 1988